The Collaborative International Dictionary
Desitive
Desitive \Des"i*tive\, a.
Final; serving to complete; conclusive. [Obs.] ``Desitive
propositions.''
--I. Watts.
Desitive
Desitive \Des"i*tive\, n. (Logic)
A proposition relating to or expressing an end or conclusion.
[Obs.]
--I. Watts.
Wiktionary
desitive
a. (context obsolete English) final or conclusive n. (context obsolete logic English) an argument that leads to a conclusion